(Answered) 1 potassium hydrogen phthalate is a solid monoprotic acid

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1. Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory as a primary standard. It has the unwieldy formula of KHC₈H₄O₄. This is often written in shorthand notation as KHP.

If 33.33 mL of a barium hydroxide solution are needed to neutralize 1.282 grams of KHP, what is the concentration (mol/L) of the barium hydroxide solution?

2. Calculate the volume of 0.159 M potassium hydroxide required to neutralize 17.8 mL of a 0.329 M hydrobromic acid solution.

3. Calculate the volume (in mL) of 0.706 M HCl needed to react completely with 9.25 g of CaCO₃ in a gas-forming reaction?

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